The mission that changed space flight forever. The CNN Original Series Space Shuttle Columbia: The Final Flight premieres Sunday, April 7 at 9p ET/PT on @cnn. | CNN Original Series

CNN's Anderson Cooper remembers legendary film director Rob Reiner, reminiscing about his interview with Reiner where they talked about one of Anderson's favorite films, "This is Spinal Tap." Reiner and his wife Michele Singer Reiner were found dead at their home on Sunday and their son Nick has been arrested in connection with their deaths. | CNN